GPS watches

GPS smartwatches and fitness trackers work so seamlessly that it’s easy to take for granted the intricate cosmic efforts required to make it happen.

This year’s river of running smartwatches is not only wide, but very deep. We rate and review six new releases.

Will the new Polar M200 fit your needs? This in-depth review takes a look at the watch and its optical wrist-based heart-rate tracking.

Epson just added another awesome GPS option to the running watch world—except this one also tracks your heart rate.